1.
Determine the slope of the line graphed below.
A.
0
B.
C.
D.
Hint
2.
Which pair of lines graphed below are parallel?
A.
k
and
n
B.
k
and
m
C.
l
and
n
D.
l
and
m
Hint
3.
Which characteristic describes a graph that is linear and has direct variation.
A.
The equation has the form
y
=
mx
+
b
.
B.
The equation has the form
y
=
mx
.
C.
Variables
x
and
y
are not proportional.
D.
The graph does not pass through (0, 0).
Hint
4.
Find the situation that is linear but does not have direct variation.
A.
At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week.
B.
At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week.
C.
At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank.
D.
At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts.
Hint
5.
Pam's mother gives Pam $20 each week for lunch to be bought at the school cafeteria. Lunches cost $4 per day. Draw a graph showing the amount Pam has left decreasing very slowly. Suppose you graph the time in days on the horizontal axis and the amount Pam has left on the vertical axis.
A.
B.
C.
D.
Hint
6.
Which line is parallel to the line listed below?
A.
B.
C.
y
= 2
x
- 5
D.
Hint